Timonium, Maryland Demographics & Population 2026
During the 2020–2024 ACS period, Timonium, Maryland had a total population of 10,304, the 136th largest community in Maryland, with a median household income of $119,863, which is 16% higher than the state average. The poverty rate is 5.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 65.0% of adults hold a bachelor's degree or higher — top 10% in Maryland.
Timonium Quick Facts
How Timonium Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 10,880 | 10,304 | -5.3% |
| Median household income | $130,732 | $119,863 | -8.3% |
| Median home value | $478,800 | $480,800 | +0.4% |
How Timonium Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 68 | National average: 61
Education
Educational Attainment (Adults 25+)
Timonium Rankings in Maryland
Explore Maryland Rankings
Other Cities in Baltimore County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dundalk | 65,969 | $64,520 | 17.4% | $212,700 |
| Towson | 58,679 | $101,320 | 12.1% | $469,000 |
| Catonsville | 43,368 | $114,109 | 6.9% | $416,900 |
| Essex | 40,580 | $67,168 | 12.6% | $258,900 |
| Woodlawn (Baltimore County) | 40,379 | $82,466 | 11.6% | $294,200 |
| Owings Mills | 37,245 | $96,243 | 5.6% | $361,000 |
| Randallstown | 35,957 | $85,735 | 9.2% | $327,200 |
| Pikesville | 33,524 | $98,465 | 7.8% | $434,500 |
| Middle River | 31,712 | $78,398 | 14.7% | $271,700 |
| Milford Mill | 30,829 | $69,711 | 8.7% | $273,600 |
Cities Similar to Timonium
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| La Plata | 10,683 | $121,208 | $428,400 | 35.4% | 6.6% |
| Marlton | 10,222 | $109,328 | $415,700 | 40.9% | 5.5% |
| Burtonsville | 10,203 | $134,276 | $488,800 | 48.3% | 4.3% |
| White Marsh | 10,932 | $117,426 | $369,200 | 50.8% | 9.6% |
| Jessup | 9,931 | $128,851 | $462,000 | 20.7% | 8.3% |
Population Overview
Timonium is a small city located in Maryland, within Baltimore County. The total population is 10,304. It ranks as the 136th most populous out of 527 Census-designated places in Maryland.
Age Demographics
The median age in Timonium is 46.8 years. This is 19% higher than the state median of 39.4 years. 13.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Timonium is $119,863. This is 16% higher than the state median of $103,678. It is also 48% higher than the national median of $80,734. The poverty rate stands at 5.8%. This is 38% lower than the state poverty rate of 9.4%. The unemployment rate is 4.2%. This is 15% lower than the state rate of 4.9%. The median home value is $480,800. Housing costs are 15% higher than the state median of $419,900. The home-value-to-income ratio is 4.0x. 77.3% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 67.6%.
Race & Ethnicity
The largest racial or ethnic group in Timonium is White (non-Hispanic), making up 75.4% of the population. Asian residents account for 9.8%. The White (non-Hispanic) population is significantly higher than the state average (75.4% vs 46.6%). The Black or African American population (6.8%) is well below the state average of 28.9%. The Hispanic or Latino population (3.1%) is well below the state average of 12.5%. The Asian population is significantly higher than the state average (9.8% vs 6.5%).
Education
65.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Timonium in the top 10% of all cities in the state for educational attainment. This is 50% higher than the state rate of 43.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.5%. Notably, 31.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Timonium, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 527 Census-designated places in Maryland. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Timonium, Maryland?
Timonium, Maryland has a population of 10,304 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Timonium, MD?
The median household income in Timonium is $119,863, which is 48% higher than the national median of $80,734.
What is the poverty rate in Timonium, MD?
The poverty rate in Timonium is 5.8%. This means approximately 568 residents live below the federal poverty line.
What is the racial makeup of Timonium, Maryland?
Timonium's population is 75.4% White, 6.8% Black, 3.1% Hispanic/Latino, and 9.8% Asian.
What is the median home value in Timonium, MD?
The median home value in Timonium is $480,800. The home-value-to-income ratio is 4.0x.
How educated is Timonium, Maryland?
65.0% of adults (25+) in Timonium hold a bachelor's degree or higher, and 31.5% hold a graduate or professional degree.